(31) باب مَا جَاءَ فِي حَدِّ بُلُوغِ الرَّجُلِ وَمَتَى يُفْرَضُ لَهُ
Another chain with similar, but he (Nafi') said:
"Umar [bin 'Abdul-'Aziz] said: 'This is the limit that distinguished between children and soldiers.'" And he did not mention him writing about the salary[Abu 'Eisa said:] The Hadith of Ishaq bin Yusuf is a Hasan Sahih Gharib Hadith as narration of Sufyan Ath-Thawri
Reference: Jami` at-Tirmidhi 1711
In-book reference: Book 23, Hadith 45
English translation: Vol. 3, Book 21, Hadith 1711